Pith Number

pith:D6TPPDYV

pith:2014:D6TPPDYVGHOJ4DUB5UFNLFR7HI

not attested not anchored not stored refs pending

Extremal functions in de Branges and Euclidean spaces

Emanuel Carneiro, Friedrich Littmann

arxiv:1406.5456 v1 · 2014-06-20 · math.CA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D6TPPDYVGHOJ4DUB5UFNLFR7HI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:49:19.050540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fa6f78f1531dc9e0e81ed0ad5963f3a1fe970a20e27c77d62cb2d61b036fc2e

Aliases

arxiv: 1406.5456 · arxiv_version: 1406.5456v1 · doi: 10.48550/arxiv.1406.5456 · pith_short_12: D6TPPDYVGHOJ · pith_short_16: D6TPPDYVGHOJ4DUB · pith_short_8: D6TPPDYV

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/D6TPPDYVGHOJ4DUB5UFNLFR7HI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 1fa6f78f1531dc9e0e81ed0ad5963f3a1fe970a20e27c77d62cb2d61b036fc2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fd90ed2f1c4e35dfd55bd8006e7898490767bb2a5c903c1e76cca7703a11764",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-06-20T16:31:30Z",
    "title_canon_sha256": "abaca2262587baeec79a448d6b9c677c377d279a50d73b92975284ff79a4e0d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5456",
    "kind": "arxiv",
    "version": 1
  }
}